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<FONT color="green">001</FONT>    package org.wattdepot.simulation.oahugrid.demandcurve;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.text.SimpleDateFormat;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Calendar;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.GregorianCalendar;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.HashMap;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.Locale;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.util.Map;<a name="line.8"></a>
<FONT color="green">009</FONT>    import java.util.Random;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.wattdepot.simulation.oahugrid.main.batch.BatchSimulation;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * Superclass for all DailyDemandCurve instances. <a name="line.13"></a>
<FONT color="green">014</FONT>     * @author Philip Johnson<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    public abstract class DailyDemandCurve {<a name="line.16"></a>
<FONT color="green">017</FONT>      <a name="line.17"></a>
<FONT color="green">018</FONT>      /** Provides the required MW value for each 15 minute period during this day. */<a name="line.18"></a>
<FONT color="green">019</FONT>      protected Integer[] demandCurve = new Integer[96];<a name="line.19"></a>
<FONT color="green">020</FONT>      /** The day to be associated with this demand curve.  Hours, minutes, seconds ignored. */<a name="line.20"></a>
<FONT color="green">021</FONT>      private GregorianCalendar date;<a name="line.21"></a>
<FONT color="green">022</FONT>      /** Separates the day into 'zones' where different kinds of power are used. */<a name="line.22"></a>
<FONT color="green">023</FONT>      public enum PeakType { OFFPEAK, SHOULDERPEAK, PRIORITYPEAK };<a name="line.23"></a>
<FONT color="green">024</FONT>      /** A random number generator. */<a name="line.24"></a>
<FONT color="green">025</FONT>      private final Random random = new Random(0);<a name="line.25"></a>
<FONT color="green">026</FONT>      <a name="line.26"></a>
<FONT color="green">027</FONT>      /** A cache that stores the peak MW for this daily demand curve. */<a name="line.27"></a>
<FONT color="green">028</FONT>      private Map&lt;PeakType, Integer&gt; maxPeakCache = new HashMap&lt;PeakType, Integer&gt;();<a name="line.28"></a>
<FONT color="green">029</FONT>      <a name="line.29"></a>
<FONT color="green">030</FONT>      /**<a name="line.30"></a>
<FONT color="green">031</FONT>       * Saves the day (represented by a Calendar object) to be associated with this Profile.<a name="line.31"></a>
<FONT color="green">032</FONT>       * @param date The date for this demand Curve.<a name="line.32"></a>
<FONT color="green">033</FONT>       */<a name="line.33"></a>
<FONT color="green">034</FONT>      DailyDemandCurve(GregorianCalendar date) {<a name="line.34"></a>
<FONT color="green">035</FONT>        this.date = date;<a name="line.35"></a>
<FONT color="green">036</FONT>      }<a name="line.36"></a>
<FONT color="green">037</FONT>      <a name="line.37"></a>
<FONT color="green">038</FONT>      /**<a name="line.38"></a>
<FONT color="green">039</FONT>       * Given a period between 0 and 95, returns the associated timestamp representing the start<a name="line.39"></a>
<FONT color="green">040</FONT>       * of the interval.<a name="line.40"></a>
<FONT color="green">041</FONT>       * Throws a RuntimeException if period is outside of range.  <a name="line.41"></a>
<FONT color="green">042</FONT>       * @param period The period (15 minute interval) for this day.<a name="line.42"></a>
<FONT color="green">043</FONT>       * @return The timestamp for this period.<a name="line.43"></a>
<FONT color="green">044</FONT>       */<a name="line.44"></a>
<FONT color="green">045</FONT>      public GregorianCalendar getTimestamp(int period) {<a name="line.45"></a>
<FONT color="green">046</FONT>        validatePeriod(period); <a name="line.46"></a>
<FONT color="green">047</FONT>        // Create a timestamp, initialize to the date and zero out hours, minutes, seconds, millis.<a name="line.47"></a>
<FONT color="green">048</FONT>        GregorianCalendar timestamp = new GregorianCalendar();<a name="line.48"></a>
<FONT color="green">049</FONT>        timestamp.setTime(this.date.getTime());<a name="line.49"></a>
<FONT color="green">050</FONT>        timestamp.set(Calendar.HOUR_OF_DAY, 0);<a name="line.50"></a>
<FONT color="green">051</FONT>        timestamp.set(Calendar.MINUTE, 0);<a name="line.51"></a>
<FONT color="green">052</FONT>        timestamp.set(Calendar.SECOND, 0);<a name="line.52"></a>
<FONT color="green">053</FONT>        timestamp.set(Calendar.MILLISECOND, 0);<a name="line.53"></a>
<FONT color="green">054</FONT>        // Now increment for the associated interval.<a name="line.54"></a>
<FONT color="green">055</FONT>        timestamp.add(Calendar.MINUTE, period * 15);<a name="line.55"></a>
<FONT color="green">056</FONT>        return timestamp;<a name="line.56"></a>
<FONT color="green">057</FONT>      }<a name="line.57"></a>
<FONT color="green">058</FONT>      <a name="line.58"></a>
<FONT color="green">059</FONT>      /**<a name="line.59"></a>
<FONT color="green">060</FONT>       * Returns a string containing 96 lines with the demand curve for this day.<a name="line.60"></a>
<FONT color="green">061</FONT>       * @return The string representing the demand curve.<a name="line.61"></a>
<FONT color="green">062</FONT>       */<a name="line.62"></a>
<FONT color="green">063</FONT>      @Override<a name="line.63"></a>
<FONT color="green">064</FONT>      public String toString() {<a name="line.64"></a>
<FONT color="green">065</FONT>        // Create a timestamp, initialize to the date and zero out hours, minutes, seconds, millis.<a name="line.65"></a>
<FONT color="green">066</FONT>        StringBuffer buff = new StringBuffer();<a name="line.66"></a>
<FONT color="green">067</FONT>        SimpleDateFormat sdf = new SimpleDateFormat(BatchSimulation.DATE_FORMAT, Locale.US);<a name="line.67"></a>
<FONT color="green">068</FONT>        <a name="line.68"></a>
<FONT color="green">069</FONT>        for (int i = 0; i &lt; 96; i++) {<a name="line.69"></a>
<FONT color="green">070</FONT>          GregorianCalendar timestamp = getTimestamp(i);<a name="line.70"></a>
<FONT color="green">071</FONT>          buff.append(String.format("%d %s : %d%n", i, <a name="line.71"></a>
<FONT color="green">072</FONT>              sdf.format(timestamp.getTime()), demandCurve[i]));<a name="line.72"></a>
<FONT color="green">073</FONT>          timestamp.add(Calendar.MINUTE, 15);<a name="line.73"></a>
<FONT color="green">074</FONT>        }<a name="line.74"></a>
<FONT color="green">075</FONT>        return buff.toString();<a name="line.75"></a>
<FONT color="green">076</FONT>      }<a name="line.76"></a>
<FONT color="green">077</FONT>      <a name="line.77"></a>
<FONT color="green">078</FONT>      /**<a name="line.78"></a>
<FONT color="green">079</FONT>       * Returns a PeakType, which gives guidance on how to assign plants.<a name="line.79"></a>
<FONT color="green">080</FONT>       * @param period The period of the day.<a name="line.80"></a>
<FONT color="green">081</FONT>       * @return The PeakType for this period.<a name="line.81"></a>
<FONT color="green">082</FONT>       */<a name="line.82"></a>
<FONT color="green">083</FONT>      public abstract PeakType getPeakType(int period);<a name="line.83"></a>
<FONT color="green">084</FONT>      <a name="line.84"></a>
<FONT color="green">085</FONT>      /**<a name="line.85"></a>
<FONT color="green">086</FONT>       * Returns the amount of MW required by the grid during this period. <a name="line.86"></a>
<FONT color="green">087</FONT>       * @param period The period of time.<a name="line.87"></a>
<FONT color="green">088</FONT>       * @return The amount of MW required by the grid.<a name="line.88"></a>
<FONT color="green">089</FONT>       */<a name="line.89"></a>
<FONT color="green">090</FONT>      public int getGridMW(int period) {<a name="line.90"></a>
<FONT color="green">091</FONT>        validatePeriod(period); <a name="line.91"></a>
<FONT color="green">092</FONT>        return this.demandCurve[period];<a name="line.92"></a>
<FONT color="green">093</FONT>      }<a name="line.93"></a>
<FONT color="green">094</FONT>    <a name="line.94"></a>
<FONT color="green">095</FONT>      /**<a name="line.95"></a>
<FONT color="green">096</FONT>       * Throws a RuntimeException if the passed period is not between 0 and 95, otherwise does<a name="line.96"></a>
<FONT color="green">097</FONT>       * nothing.<a name="line.97"></a>
<FONT color="green">098</FONT>       * @param period The period.<a name="line.98"></a>
<FONT color="green">099</FONT>       */<a name="line.99"></a>
<FONT color="green">100</FONT>      private void validatePeriod(int period) {<a name="line.100"></a>
<FONT color="green">101</FONT>        if ((period &lt; 0) || (period &gt; 95)) {<a name="line.101"></a>
<FONT color="green">102</FONT>          throw new RuntimeException("Illegal period: " + period);<a name="line.102"></a>
<FONT color="green">103</FONT>        }<a name="line.103"></a>
<FONT color="green">104</FONT>      }<a name="line.104"></a>
<FONT color="green">105</FONT>      <a name="line.105"></a>
<FONT color="green">106</FONT>      /**<a name="line.106"></a>
<FONT color="green">107</FONT>       * Returns the maximum MW required by this demand curve for any given period. <a name="line.107"></a>
<FONT color="green">108</FONT>       * @return The maximum MW required.<a name="line.108"></a>
<FONT color="green">109</FONT>       */<a name="line.109"></a>
<FONT color="green">110</FONT>      public int getMaxMW() {<a name="line.110"></a>
<FONT color="green">111</FONT>        int maxMW = 0;<a name="line.111"></a>
<FONT color="green">112</FONT>        for (int i = 0; i &lt; 96; i++) {<a name="line.112"></a>
<FONT color="green">113</FONT>          if (demandCurve[i] &gt; maxMW) {<a name="line.113"></a>
<FONT color="green">114</FONT>            maxMW = demandCurve[i];<a name="line.114"></a>
<FONT color="green">115</FONT>          }<a name="line.115"></a>
<FONT color="green">116</FONT>        }<a name="line.116"></a>
<FONT color="green">117</FONT>        return maxMW;<a name="line.117"></a>
<FONT color="green">118</FONT>      }<a name="line.118"></a>
<FONT color="green">119</FONT>    <a name="line.119"></a>
<FONT color="green">120</FONT>      /**<a name="line.120"></a>
<FONT color="green">121</FONT>       * Adds random variation to the demand curve by "jiggling" each period by plus or minus<a name="line.121"></a>
<FONT color="green">122</FONT>       * a random number between -jiggle and +jiggle.<a name="line.122"></a>
<FONT color="green">123</FONT>       * @param jiggle The amount to "jiggle".<a name="line.123"></a>
<FONT color="green">124</FONT>       * @return The updated DailyDemandCurve.<a name="line.124"></a>
<FONT color="green">125</FONT>       */<a name="line.125"></a>
<FONT color="green">126</FONT>      public DailyDemandCurve addRandomVariation(int jiggle) {<a name="line.126"></a>
<FONT color="green">127</FONT>        for (int i = 0; i &lt; 96; i++) {<a name="line.127"></a>
<FONT color="green">128</FONT>          // Determine the number to increment/decrement our demand by.<a name="line.128"></a>
<FONT color="green">129</FONT>          int num = random.nextInt(jiggle);<a name="line.129"></a>
<FONT color="green">130</FONT>          // make it positive or negative.<a name="line.130"></a>
<FONT color="green">131</FONT>          int signedNum = (random.nextBoolean() ? num : (num * -1));<a name="line.131"></a>
<FONT color="green">132</FONT>          // now jiggle the demand curve.<a name="line.132"></a>
<FONT color="green">133</FONT>          demandCurve[i] = demandCurve[i] + signedNum;<a name="line.133"></a>
<FONT color="green">134</FONT>        }<a name="line.134"></a>
<FONT color="green">135</FONT>        return this;<a name="line.135"></a>
<FONT color="green">136</FONT>      }<a name="line.136"></a>
<FONT color="green">137</FONT>    <a name="line.137"></a>
<FONT color="green">138</FONT>      /**<a name="line.138"></a>
<FONT color="green">139</FONT>       * Returns the maximum MW used during the passed PeakType. Caches the value once computed.<a name="line.139"></a>
<FONT color="green">140</FONT>       * @param type The PeakType of interest.<a name="line.140"></a>
<FONT color="green">141</FONT>       * @return The maximum MW used during the given PeakType.<a name="line.141"></a>
<FONT color="green">142</FONT>       */<a name="line.142"></a>
<FONT color="green">143</FONT>      public int getPeakMaxMW(PeakType type) {<a name="line.143"></a>
<FONT color="green">144</FONT>        // Update the cache if we don't have an entry for this type.<a name="line.144"></a>
<FONT color="green">145</FONT>        if (!this.maxPeakCache.containsKey(type)) {<a name="line.145"></a>
<FONT color="green">146</FONT>          this.maxPeakCache.put(type, 0);<a name="line.146"></a>
<FONT color="green">147</FONT>          for (int i = 0; i &lt; 96; i++) {<a name="line.147"></a>
<FONT color="green">148</FONT>            if ((this.getPeakType(i) == type) &amp;&amp; (demandCurve[i] &gt; maxPeakCache.get(type))) {<a name="line.148"></a>
<FONT color="green">149</FONT>              maxPeakCache.put(type, demandCurve[i]);<a name="line.149"></a>
<FONT color="green">150</FONT>            }<a name="line.150"></a>
<FONT color="green">151</FONT>          }<a name="line.151"></a>
<FONT color="green">152</FONT>        }<a name="line.152"></a>
<FONT color="green">153</FONT>        // Now return the maximum MW for this type.<a name="line.153"></a>
<FONT color="green">154</FONT>        return maxPeakCache.get(type);<a name="line.154"></a>
<FONT color="green">155</FONT>      }<a name="line.155"></a>
<FONT color="green">156</FONT>    }<a name="line.156"></a>




























































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